. >>reporter:stevebumphas run a fireplace business in the des moines suburbs for 38 years, he knows fall is when people think about snuggling up to a warm fire, and more important for him, when they make buying decisions. >> if i'm selling romance and entertainment with my product, and i am, i don't want that customer to have all these negative thoughts in their mind about this ad that preceded me. >> reporter: bump says superpac- funded political ads are clogging up the airwaves. those campaign ads push his commercials off primetime and all his ads now cost 25% more. >> i'm probably seeing no less than 30 to 50 negative ads between 6:00 and... and 10:00, and that's watching the same channel. >> reporter: at oktoberfest in amana, iowa, tina wing has already heard too much from both sides. the campaigns also must contend with a sense of election fatigue from voters. >> i think i get calls every single day from every state across the nation. i feel like there is a voting booth for a reason, that its my business and nobody else's. >> reporter: but it won't keep the campaigns from trying to